/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.datatables;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.logging.Logger;

import net.sf.l2j.database.L2DatabaseFactory;

/**
 * This class ...
 * 
 * @version $Revision: 1.3.2.2.2.1 $ $Date: 2005/03/27 15:29:18 $
 */
public class CharNameTable {
	private static Logger _log = Logger
			.getLogger(CharNameTable.class.getName());
	private static CharNameTable _instance;

	public static CharNameTable getInstance() {
		if (_instance == null)
			_instance = new CharNameTable();
		return _instance;
	}

	public boolean doesCharNameExist(String name) {
		boolean result = true;
		java.sql.Connection con = null;
		try {
			con = L2DatabaseFactory.getInstance().getConnection();
			PreparedStatement statement = con
					.prepareStatement("SELECT account_name FROM characters WHERE char_name=?");
			statement.setString(1, name);
			ResultSet rset = statement.executeQuery();
			result = rset.next();
			rset.close();
			statement.close();
		} catch (SQLException e) {
			_log.warning("could not check existing charname:" + e.getMessage());
		} finally {
			try {
				con.close();
			} catch (Exception e) {
			}
		}
		return result;
	}

	public int accountCharNumber(String account) {
		java.sql.Connection con = null;
		int number = 0;
		try {
			con = L2DatabaseFactory.getInstance().getConnection();
			PreparedStatement statement = con
					.prepareStatement("SELECT COUNT(char_name) FROM characters WHERE account_name=?");
			statement.setString(1, account);
			ResultSet rset = statement.executeQuery();
			while (rset.next())
				number = rset.getInt(1);
			rset.close();
			statement.close();
		} catch (SQLException e) {
			_log.warning("could not check existing char number:"
					+ e.getMessage());
		} finally {
			try {
				con.close();
			} catch (Exception e) {
			}
		}
		return number;
	}
}
